Data-driven analysis of transport and weather impact on urban air quality Many cities face low air quality. To better predict the exceedance of air quality limits, the traffic's contribution to air pollution was analysed in this ... B. Csonka - Acta Technica Jaurinensis 被引量: 0发表: 202...
The impact of PTC reaches all Class I's, all passenger carriers, and a significant number of non-Class I railroads. Railroads, suppliers, and the FRA are proceeding "full speed ahead" to comply with the imposed mandate. Despite this effort, a host of open issues exist that must be ...
“America’s railroads remain committed to implementing PTC and are doing all they can to address the challenges that have surfaced,” according to a statement released by theAssociation of American Railroads, although not everyone in the industry agrees. Some railroad companies said the cost ...
“The railroads are pushing hard to implement these complex technologies, and we’re working to get them there,” said Turnbull. “They’re implementing a new technological communications system across tens of thousands of field locations and locomotive equip...
Restricted speed is the speed that permits stopping within one-half the range of vision, normally not exceeding 20 miles per hour. Restricted speed violation has been identified as one common issue on North American railroads. In this study, we firstly analyze historical restricted-speed train ...